🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.49 AU - 0.67 AU

Year: 157 Days

Day: 14.2 Hours

Environment

Temp: 216 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.43 AU - 5.21 AU

Year: 3185 Days

Day: 26.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,992,132 km

• M1: 81,830 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 10.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.44 AU - 8.22 AU

Year: 7040 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,992,132 km

• M1: 136,433 km (0.112 R)
• M2: 567,425 km (0.115 R)
• M3: 1,272,928 km (0.084 R)
• M4: 2,053,979 km (0.092 R)
• M5: 2,523,566 km (0.101 R)
• M6: 3,345,457 km (0.106 R)
• M7: 5,024,244 km (0.118 R)
• M8: 5,465,857 km (0.091 R)
• M9: 6,920,248 km (0.119 R)
• M10: 9,528,487 km (0.109 R)
• M11: 11,148,333 km (0.094 R)
• M12: 14,551,834 km (0.075 R)
• M13: 15,597,074 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.7

Radius: 4.4

Gravity: 32.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 17.29 AU - 19.69 AU

Year: 28206 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 92,992,132 km

• M1: 64,327 km (0.059 R)
• M2: 293,661 km (0.078 R)
• M3: 457,171 km (0.118 R)
• M4: 1,614,011 km (0.026 R)
• M5: 1,823,748 km (0.119 R)
• M6: 2,008,651 km (0.069 R)
• M7: 2,344,947 km (0.115 R)
• M8: 3,334,237 km (0.117 R)
• M9: 3,904,355 km (0.084 R)
• M10: 5,114,153 km (0.117 R)
• M11: 6,554,182 km (0.115 R)
• M12: 7,495,601 km (0.1 R)
• M13: 8,189,436 km (0.058 R)
• M14: 9,889,766 km (0.102 R)
• M15: 10,723,175 km (0.12 R)
• M16: 13,047,178 km (0.12 R)
• M17: 14,366,183 km (0.088 R)
• M18: 16,551,508 km (0.064 R)
• M19: 18,852,473 km (0.098 R)
• M20: 19,434,708 km (0.057 R)
• M21: 20,229,671 km (0.11 R)
• M22: 23,963,784 km (0.095 R)
• M23: 25,342,777 km (0.078 R)
• M24: 29,535,856 km (0.119 R)
• M25: 31,795,831 km (0.112 R)
• M26: 32,898,217 km (0.045 R)
• M27: 34,311,618 km (0.085 R)
• M28: 35,324,844 km (0.097 R)
• M29: 35,471,151 km (0.093 R)
• M30: 37,562,679 km (0.104 R)
• M31: 38,638,736 km (0.028 R)
• M32: 45,356,429 km (0.11 R)
• M33: 55,731,340 km (0.082 R)
• M34: 57,129,931 km (0.1 R)
• M35: 65,793,742 km (0.079 R)
• M36: 68,485,905 km (0.076 R)
• M37: 77,988,512 km (0.069 R)
• M38: 89,686,317 km (0.074 R)
• M39: 90,231,751 km (0.092 R)
• M40: 91,054,090 km (0.053 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 17,301 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit